using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;

namespace Tango.PPC.Common.Converters
{
    public class HeightToOpacityConverter : IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
        {
            if(values.Length < 3 || (double)values[1] == (double)values[2])
            {
                return 0.0;
            }
            var height = (double)values[0];
            var minHeight = (double)values[1];
            var maxHeight = (double)values[2];

            // replace with appropriate logic
            var result = (height - minHeight)/(maxHeight - minHeight);
            return result;
        }
        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}